Solve.Let f(x) = 9x + 5 and g(x) = 2x2 + 6. Find f(9) - g(9) .
A. -76
B. -81
C. -87
D. -82
Answer: D
Mathematics
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= 
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Find the first year's depreciation, using the double-declining-balance method. Round to the nearest dollar.Cost: $3800Est. life: 5 yearsEst. scrap: $800
A. $600 B. $760 C. $1520 D. $1200
Mathematics
Solve the problem.The area of a rectangular garden is to be 144 ft.2. Find the length if the width must be 6 ft. (Use A = lw)
A. 26 ft. B. 24 ft. C. 138 ft. D. 23 ft.
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The graph of y = f(x) is given. Use the graph to find the function value.
Find f(-4).
A. 1.8 B. None of these C. 1 D. -4
Mathematics